Akai ATV-350R, Service Manual

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AKAI ATV-350R Maintenance Manual
8. With Picture, No or Low Sound and Distortion
Test whether loudspeaker is open circuited or not
Change loudspeaker
Test whether power amplifier 386
is broken or not
No
Yes
No
Yes
Yes
Test whether power amplifier 386 is broken or not
Check whether LA76810 (1) (2) pins are
normal or not
Change peripheral circuit
of (52) (53) (54)
Change peripheral
elements of (1) (2) pins
Change LA76810
Yes
No
Check whether LA76810 (52) (53) (54)
pins are normal or not
No